[Bug rtl-optimization/78559] [7 Regression] wrong code due to tree if-conversion?

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78559

amker at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|middle-end                  |rtl-optimization

--- Comment #4 from amker at gcc dot gnu.org ---
I think it's a combine issue reveal by that change.  I am testing a patch for
public discussion, guess Segher may have better solutions.